source: trunk/yat/utility/Option.cc @ 743

Last change on this file since 743 was 743, checked in by Peter, 15 years ago

Changed function to return reference to member variable string. This is needed because function is used to change the member variable in CommandLine?. We should add a test to avoid changes like the previous one that introduced a severe and nasty bug in CommandLine?.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 2.0 KB
Line 
1// $Id: Option.cc 743 2007-01-15 14:12:31Z peter $
2
3/*
4  Copyright (C) 2006 Peter Johansson
5
6  This file is part of the yat library, http://lev.thep.lu.se/trac/yat
7
8  The yat library is free software; you can redistribute it and/or
9  modify it under the terms of the GNU General Public License as
10  published by the Free Software Foundation; either version 2 of the
11  License, or (at your option) any later version.
12
13  The yat library is distributed in the hope that it will be useful,
14  but WITHOUT ANY WARRANTY; without even the implied warranty of
15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  General Public License for more details.
17
18  You should have received a copy of the GNU General Public License
19  along with this program; if not, write to the Free Software
20  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
21  02111-1307, USA.
22*/
23
24#include "Option.h"
25
26#include <fstream>
27#include <iostream>
28#include <string>
29
30namespace theplu {
31namespace yat {
32namespace utility {
33
34
35  Option::Option(char short_name, std::string long_name, argument_type arg, 
36                 std::string mess)
37    : arg_type_(arg), long_name_(long_name), mess_(mess), 
38      short_name_(short_name), present_(false)
39  {
40  }
41
42
43  Option::argument_type Option::arg_type(void) const
44  {
45    return arg_type_;
46  }
47
48
49  std::string Option::long_name(void) const
50  {
51    return long_name_;
52  }
53
54
55  std::string Option::name(void) const
56  {
57    return !long_name_.empty() ? long_name_ : std::string(&short_name_) ;
58  }
59
60
61  bool& Option::present(void)
62  {
63    return present_;
64  }
65
66
67  void Option::print(void) const
68  {
69    using std::cerr;
70    if (short_name_!='\0'){
71      cerr << " -" << short_name_;
72      if (!long_name_.empty())
73        cerr << ",";
74      else
75        cerr << " ";
76    }
77    else 
78      cerr << "    ";
79    if (!long_name_.empty()){
80      cerr << " --" << long_name_;
81      if (arg_type_!=no_arg)
82        cerr << "=VALUE";
83    }
84    cerr << "\t" << mess_ << "\n";
85  }
86
87
88  char Option::short_name(void) const
89  {
90    return short_name_;
91  }
92
93
94  std::string& Option::value(void)
95  {
96    return value_;
97  }
98
99}}} // of namespace utility, yat, and theplu
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